﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp1
{
    class Program
    {
        static void Main(string[] args)
        {
            Random random = new Random();
            Console.WriteLine(Math.Round(random.NextDouble() * (5 - 0) + 0, 2));
            Console.WriteLine(Math.Round(random.NextDouble() * (7 - 4) + 4, 2));
            int[] a = new int[10];
            for (int i = 0; i < 10; i++)
            {
                a[i] = random.Next(10);

                for (int i2 = 0; i2 < i; i2++)
                {
                    if (a[i2] == a[i])
                    {
                        a[i] = random.Next(10);
                        i2 = -1;
                    }
                }
                Console.Write(a[i]);
            }

        }
    }
}
